c4439c630f
grep -rl '# Copyright © .* Pleroma' * | xargs sed -i 's;Copyright © .* Pleroma .*;Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>;'
122 lines
3.3 KiB
Elixir
122 lines
3.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.HTTP.AdapterHelper do
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@moduledoc """
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Configure Tesla.Client with default and customized adapter options.
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"""
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@defaults [pool: :federation, connect_timeout: 5_000, recv_timeout: 5_000]
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@type proxy_type() :: :socks4 | :socks5
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@type host() :: charlist() | :inet.ip_address()
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alias Pleroma.HTTP.AdapterHelper
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require Logger
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@type proxy ::
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{Connection.host(), pos_integer()}
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| {Connection.proxy_type(), Connection.host(), pos_integer()}
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@callback options(keyword(), URI.t()) :: keyword()
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@spec format_proxy(String.t() | tuple() | nil) :: proxy() | nil
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def format_proxy(nil), do: nil
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def format_proxy(proxy_url) do
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case parse_proxy(proxy_url) do
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{:ok, host, port} -> {host, port}
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{:ok, type, host, port} -> {type, host, port}
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_ -> nil
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end
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end
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@spec maybe_add_proxy(keyword(), proxy() | nil) :: keyword()
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def maybe_add_proxy(opts, nil), do: opts
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def maybe_add_proxy(opts, proxy), do: Keyword.put_new(opts, :proxy, proxy)
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@doc """
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Merge default connection & adapter options with received ones.
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"""
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@spec options(URI.t(), keyword()) :: keyword()
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def options(%URI{} = uri, opts \\ []) do
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@defaults
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|> Keyword.merge(opts)
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|> adapter_helper().options(uri)
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end
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defp adapter, do: Application.get_env(:tesla, :adapter)
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defp adapter_helper do
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case adapter() do
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Tesla.Adapter.Gun -> AdapterHelper.Gun
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Tesla.Adapter.Hackney -> AdapterHelper.Hackney
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_ -> AdapterHelper.Default
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end
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end
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@spec parse_proxy(String.t() | tuple() | nil) ::
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{:ok, host(), pos_integer()}
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| {:ok, proxy_type(), host(), pos_integer()}
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| {:error, atom()}
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| nil
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def parse_proxy(nil), do: nil
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def parse_proxy(proxy) when is_binary(proxy) do
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with [host, port] <- String.split(proxy, ":"),
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{port, ""} <- Integer.parse(port) do
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{:ok, parse_host(host), port}
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else
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{_, _} ->
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Logger.warn("Parsing port failed #{inspect(proxy)}")
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{:error, :invalid_proxy_port}
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:error ->
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Logger.warn("Parsing port failed #{inspect(proxy)}")
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{:error, :invalid_proxy_port}
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_ ->
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Logger.warn("Parsing proxy failed #{inspect(proxy)}")
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{:error, :invalid_proxy}
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end
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end
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def parse_proxy(proxy) when is_tuple(proxy) do
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with {type, host, port} <- proxy do
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{:ok, type, parse_host(host), port}
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else
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_ ->
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Logger.warn("Parsing proxy failed #{inspect(proxy)}")
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{:error, :invalid_proxy}
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end
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end
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@spec parse_host(String.t() | atom() | charlist()) :: charlist() | :inet.ip_address()
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def parse_host(host) when is_list(host), do: host
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def parse_host(host) when is_atom(host), do: to_charlist(host)
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def parse_host(host) when is_binary(host) do
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host = to_charlist(host)
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case :inet.parse_address(host) do
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{:error, :einval} -> host
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{:ok, ip} -> ip
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end
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end
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@spec format_host(String.t()) :: charlist()
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def format_host(host) do
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host_charlist = to_charlist(host)
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case :inet.parse_address(host_charlist) do
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{:error, :einval} ->
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:idna.encode(host_charlist)
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{:ok, _ip} ->
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host_charlist
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end
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end
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end
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